// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <unordered_map>

#include "paddle/cinn/adt/naive_bidirection_equation_generator.h"

namespace cinn::adt {

class WriteBroadcastDisabledBidirectionEquationGenerator final
    : public DirectionEquationGenerator {
 public:
  using EquationCtx4OpStmtT =
      std::function<std::shared_ptr<config::NaiveOpEquationContext>(
          const OpStmt&)>;

  WriteBroadcastDisabledBidirectionEquationGenerator(
      const WriteBroadcastDisabledBidirectionEquationGenerator&) = delete;
  WriteBroadcastDisabledBidirectionEquationGenerator(
      WriteBroadcastDisabledBidirectionEquationGenerator&&) = delete;

  WriteBroadcastDisabledBidirectionEquationGenerator(
      const List<OpStmt>& op_stmts,
      const EquationCtx4OpStmtT& EquationCtx4OpStmt)
      : naive_bidirection_equation_generator_(op_stmts, EquationCtx4OpStmt) {}

  Equations GetDirectionEquations() const override;

  std::function<const OpStmt*(const FakeOpPlaceHolder&)>
  MakeGetterOpStmt4OpPlaceHolder() const override {
    return naive_bidirection_equation_generator_
        .MakeGetterOpStmt4OpPlaceHolder();
  }

  std::optional<Index> OutMsgIndex4InMsgIndex(
      const Index& index) const override {
    return naive_bidirection_equation_generator_.OutMsgIndex4InMsgIndex(index);
  }

 private:
  NaiveBidirectionEquationGenerator naive_bidirection_equation_generator_;
};

}  // namespace cinn::adt
